1/*
2 * Copyright (C) 2007 Herbert Valerio Riedel <hvr@gnu.org>
3 * Copyright (C) 2008 Martin Michlmayr <tbm@cyrius.com>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU Lesser General Public License as
7 * published by the Free Software Foundation; either version 2 of the
8 * License, or (at your option) any later version.
9 */
10#include <linux/gpio.h>
11#include <linux/kernel.h>
12#include <linux/init.h>
13#include <linux/platform_device.h>
14#include <linux/irq.h>
15#include <linux/mtd/physmap.h>
16#include <linux/mv643xx_eth.h>
17#include <linux/leds.h>
18#include <linux/gpio_keys.h>
19#include <linux/input.h>
20#include <linux/i2c.h>
21#include <linux/ata_platform.h>
22#include <asm/mach-types.h>
23#include <asm/mach/arch.h>
24#include "common.h"
25#include "mpp.h"
26#include "orion5x.h"
27
28#define MV2120_NOR_BOOT_BASE	0xf4000000
29#define MV2120_NOR_BOOT_SIZE	SZ_512K
30
31#define MV2120_GPIO_RTC_IRQ	3
32#define MV2120_GPIO_KEY_RESET	17
33#define MV2120_GPIO_KEY_POWER	18
34#define MV2120_GPIO_POWER_OFF	19
35
36
37/*****************************************************************************
38 * Ethernet
39 ****************************************************************************/
40static struct mv643xx_eth_platform_data mv2120_eth_data = {
41	.phy_addr	= MV643XX_ETH_PHY_ADDR(8),
42};
43
44static struct mv_sata_platform_data mv2120_sata_data = {
45	.n_ports	= 2,
46};
47
48static struct mtd_partition mv2120_partitions[] = {
49	{
50		.name	= "firmware",
51		.size	= 0x00080000,
52		.offset	= 0,
53	},
54};
55
56static struct physmap_flash_data mv2120_nor_flash_data = {
57	.width		= 1,
58	.parts		= mv2120_partitions,
59	.nr_parts	= ARRAY_SIZE(mv2120_partitions)
60};
61
62static struct resource mv2120_nor_flash_resource = {
63	.flags		= IORESOURCE_MEM,
64	.start		= MV2120_NOR_BOOT_BASE,
65	.end		= MV2120_NOR_BOOT_BASE + MV2120_NOR_BOOT_SIZE - 1,
66};
67
68static struct platform_device mv2120_nor_flash = {
69	.name		= "physmap-flash",
70	.id		= 0,
71	.dev		= {
72		.platform_data	= &mv2120_nor_flash_data,
73	},
74	.resource	= &mv2120_nor_flash_resource,
75	.num_resources	= 1,
76};
77
78static struct gpio_keys_button mv2120_buttons[] = {
79	{
80		.code		= KEY_RESTART,
81		.gpio		= MV2120_GPIO_KEY_RESET,
82		.desc		= "reset",
83		.active_low	= 1,
84	}, {
85		.code		= KEY_POWER,
86		.gpio		= MV2120_GPIO_KEY_POWER,
87		.desc		= "power",
88		.active_low	= 1,
89	},
90};
91
92static struct gpio_keys_platform_data mv2120_button_data = {
93	.buttons	= mv2120_buttons,
94	.nbuttons	= ARRAY_SIZE(mv2120_buttons),
95};
96
97static struct platform_device mv2120_button_device = {
98	.name		= "gpio-keys",
99	.id		= -1,
100	.num_resources	= 0,
101	.dev		= {
102		.platform_data	= &mv2120_button_data,
103	},
104};
105
106
107/****************************************************************************
108 * General Setup
109 ****************************************************************************/
110static unsigned int mv2120_mpp_modes[] __initdata = {
111	MPP0_GPIO,		/* Sys status LED */
112	MPP1_GPIO,		/* Sys error LED */
113	MPP2_GPIO,		/* OverTemp interrupt */
114	MPP3_GPIO,		/* RTC interrupt */
115	MPP4_GPIO,		/* V_LED 5V */
116	MPP5_GPIO,		/* V_LED 3.3V */
117	MPP6_UNUSED,
118	MPP7_UNUSED,
119	MPP8_GPIO,		/* SATA 0 fail LED */
120	MPP9_GPIO,		/* SATA 1 fail LED */
121	MPP10_UNUSED,
122	MPP11_UNUSED,
123	MPP12_SATA_LED,		/* SATA 0 presence */
124	MPP13_SATA_LED,		/* SATA 1 presence */
125	MPP14_SATA_LED,		/* SATA 0 active */
126	MPP15_SATA_LED,		/* SATA 1 active */
127	MPP16_UNUSED,
128	MPP17_GPIO,		/* Reset button */
129	MPP18_GPIO,		/* Power button */
130	MPP19_GPIO,		/* Power off */
131	0,
132};
133
134static struct i2c_board_info __initdata mv2120_i2c_rtc = {
135	I2C_BOARD_INFO("pcf8563", 0x51),
136	.irq	= 0,
137};
138
139static struct gpio_led mv2120_led_pins[] = {
140	{
141		.name			= "mv2120:blue:health",
142		.gpio			= 0,
143	},
144	{
145		.name			= "mv2120:red:health",
146		.gpio			= 1,
147	},
148	{
149		.name			= "mv2120:led:bright",
150		.gpio			= 4,
151		.default_trigger	= "default-on",
152	},
153	{
154		.name			= "mv2120:led:dimmed",
155		.gpio			= 5,
156	},
157	{
158		.name			= "mv2120:red:sata0",
159		.gpio			= 8,
160		.active_low		= 1,
161	},
162	{
163		.name			= "mv2120:red:sata1",
164		.gpio			= 9,
165		.active_low		= 1,
166	},
167
168};
169
170static struct gpio_led_platform_data mv2120_led_data = {
171	.leds		= mv2120_led_pins,
172	.num_leds	= ARRAY_SIZE(mv2120_led_pins),
173};
174
175static struct platform_device mv2120_leds = {
176	.name	= "leds-gpio",
177	.id	= -1,
178	.dev	= {
179		.platform_data	= &mv2120_led_data,
180	}
181};
182
183static void mv2120_power_off(void)
184{
185	pr_info("%s: triggering power-off...\n", __func__);
186	gpio_set_value(MV2120_GPIO_POWER_OFF, 0);
187}
188
189static void __init mv2120_init(void)
190{
191	/* Setup basic Orion functions. Need to be called early. */
192	orion5x_init();
193
194	orion5x_mpp_conf(mv2120_mpp_modes);
195
196	/*
197	 * Configure peripherals.
198	 */
199	orion5x_ehci0_init();
200	orion5x_ehci1_init();
201	orion5x_eth_init(&mv2120_eth_data);
202	orion5x_i2c_init();
203	orion5x_sata_init(&mv2120_sata_data);
204	orion5x_uart0_init();
205	orion5x_xor_init();
206
207	mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
208				    ORION_MBUS_DEVBUS_BOOT_ATTR,
209				    MV2120_NOR_BOOT_BASE,
210				    MV2120_NOR_BOOT_SIZE);
211	platform_device_register(&mv2120_nor_flash);
212
213	platform_device_register(&mv2120_button_device);
214
215	if (gpio_request(MV2120_GPIO_RTC_IRQ, "rtc") == 0) {
216		if (gpio_direction_input(MV2120_GPIO_RTC_IRQ) == 0)
217			mv2120_i2c_rtc.irq = gpio_to_irq(MV2120_GPIO_RTC_IRQ);
218		else
219			gpio_free(MV2120_GPIO_RTC_IRQ);
220	}
221	i2c_register_board_info(0, &mv2120_i2c_rtc, 1);
222	platform_device_register(&mv2120_leds);
223
224	/* register mv2120 specific power-off method */
225	if (gpio_request(MV2120_GPIO_POWER_OFF, "POWEROFF") != 0 ||
226	    gpio_direction_output(MV2120_GPIO_POWER_OFF, 1) != 0)
227		pr_err("mv2120: failed to setup power-off GPIO\n");
228	pm_power_off = mv2120_power_off;
229}
230
231/* Warning: HP uses a wrong mach-type (=526) in their bootloader */
232MACHINE_START(MV2120, "HP Media Vault mv2120")
233	/* Maintainer: Martin Michlmayr <tbm@cyrius.com> */
234	.atag_offset	= 0x100,
235	.nr_irqs	= ORION5X_NR_IRQS,
236	.init_machine	= mv2120_init,
237	.map_io		= orion5x_map_io,
238	.init_early	= orion5x_init_early,
239	.init_irq	= orion5x_init_irq,
240	.init_time	= orion5x_timer_init,
241	.fixup		= tag_fixup_mem32,
242	.restart	= orion5x_restart,
243MACHINE_END
244